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<head><meta charset="utf-8"><title>Showing the version a function was stabilized as `const` · rustdoc · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/index.html">rustdoc</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html">Showing the version a function was stabilized as `const`</a></h3>

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<a name="218237929"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218237929" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218237929">(Nov 30 2020 at 00:15)</a>:</h4>
<p>Picked it up, threaded const_stable_since through all the rendering, now waiting to see what tests fail / where I'll need to add new tests.</p>



<a name="218237939"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218237939" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218237939">(Nov 30 2020 at 00:15)</a>:</h4>
<p>that sounds awesome :D</p>



<a name="218237957"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218237957" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218237957">(Nov 30 2020 at 00:16)</a>:</h4>
<p>as a start I recommend running <code>x.py doc --stage 1 library/std --open</code> and making sure it looks decent</p>



<a name="218238851"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218238851" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218238851">(Nov 30 2020 at 00:38)</a>:</h4>
<p>Thanks. Implementation thoughts: 4 cases: <code>(None, None)</code>, <code>(Some(v), None)</code>, <code>(None, Some(cv))</code>, and <code>(Some(v), Some(cv)</code>. This assumes 'None' also includes the condition <code>containing != ver</code> and <code>!ver.is_empty()</code>. The case for all but one is trivial, but one case is unsure: const version is some, stable is None. Maybe just display 'const: X.X' instead of 'X.X (const: Y.Y)'?</p>



<a name="218238875"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218238875" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218238875">(Nov 30 2020 at 00:39)</a>:</h4>
<p>this is an internal attribute, so I would just error out if it has <code>const_since</code> but not <code>stable</code></p>



<a name="218238885"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218238885" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218238885">(Nov 30 2020 at 00:39)</a>:</h4>
<p>if you run into errors with that, they should be fixed, not displayed :P</p>



<a name="218238943"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218238943" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218238943">(Nov 30 2020 at 00:40)</a>:</h4>
<p>see <a href="https://github.com/rust-lang/rust/pull/76143/">https://github.com/rust-lang/rust/pull/76143/</a> for an example of adding a new error</p>



<a name="218239098"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239098" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239098">(Nov 30 2020 at 00:44)</a>:</h4>
<p>I'm more thinking the case where it is stable, but stable ver == containing_stable_ver, EG Result is stable from 1.0, and <code>is_some</code> is stable from 1.0, but it's const stable from after. Because currently, that displays nothing, so should it start displaying that duplicate information?</p>



<a name="218239165"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239165" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239165">(Nov 30 2020 at 00:46)</a>:</h4>
<p>I might be misreading: you're thinking of the case when an API was stabilized as const at the same time it was stabilized? But that doesn't match your second sentence.</p>



<a name="218239305"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239305" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239305">(Nov 30 2020 at 00:50)</a>:</h4>
<p>Let me give a pseudocode example:</p>
<div class="codehilite" data-code-language="Rust"><pre><span></span><code><span class="cp">#[stable(version = </span><span class="s">"1.0"</span><span class="cp">)]</span><span class="w"></span>
<span class="k">impl</span><span class="w"> </span><span class="n">SomeStruct</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w">    </span><span class="cp">#[const_stable(version = </span><span class="s">"1.50"</span><span class="cp">)]</span><span class="w"></span>
<span class="w">    </span><span class="cp">#[stable(version = </span><span class="s">"1.0"</span><span class="cp">)]</span><span class="w"></span>
<span class="w">    </span><span class="k">fn</span> <span class="nf">is_fooey</span><span class="p">()</span><span class="w"> </span>-&gt; <span class="kt">bool</span> <span class="p">{</span><span class="w"> </span><span class="o">..</span><span class="p">.</span><span class="w"> </span><span class="p">}</span><span class="w"></span>
<span class="p">}</span><span class="w"></span>
</code></pre></div>
<p>Existing code displays no 'stable since' on the function, because <code>stable_version</code> is the same as <code>containing_stable_version</code>. How should the new code handle this case?</p>



<a name="218239345"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239345" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239345">(Nov 30 2020 at 00:51)</a>:</h4>
<p>oh I see - currently, the <code>stable</code> annotation is deduplicated on <code>is_fooey</code> because it's also present on the impl</p>



<a name="218239359"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239359" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239359">(Nov 30 2020 at 00:51)</a>:</h4>
<p>Exactly. Should I start displaying it, or should I only display a <code>const: X.X</code> to not add duplication?</p>



<a name="218239362"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239362" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239362">(Nov 30 2020 at 00:51)</a>:</h4>
<p>I would show both to avoid ambiguity, I think: <code>X.X (const Y.Y)</code></p>



<a name="218239367"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239367" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239367">(Nov 30 2020 at 00:52)</a>:</h4>
<p>Alright, I'll do that</p>



<a name="218239409"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239409" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239409">(Nov 30 2020 at 00:52)</a>:</h4>
<p>cc <span class="user-mention" data-user-id="120791">@RalfJ</span> - does that match your expectations?</p>



<a name="218239700"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239700" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239700">(Nov 30 2020 at 01:00)</a>:</h4>
<p><a href="/user_uploads/4715/twyDaraBJifBFvZJJR_7Fp5P/image.png">image.png</a> <br>
With that behavior</p>
<div class="message_inline_image"><a href="/user_uploads/4715/twyDaraBJifBFvZJJR_7Fp5P/image.png" title="image.png"><img src="/user_uploads/4715/twyDaraBJifBFvZJJR_7Fp5P/image.png"></a></div>



<a name="218239720"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218239720" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218239720">(Nov 30 2020 at 01:01)</a>:</h4>
<p>looks great <span aria-label="heart" class="emoji emoji-2764" role="img" title="heart">:heart:</span></p>



<a name="218242774"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218242774" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218242774">(Nov 30 2020 at 02:26)</a>:</h4>
<p>Question: How does rustdoc handle emission of errors? In <code>from_def_id_and_parts</code>, do I emit an error with the <code>cx.tcx.error()</code> like in a normal rustc situation?</p>



<a name="218242855"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218242855" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218242855">(Nov 30 2020 at 02:28)</a>:</h4>
<p>yes, that's fine</p>



<a name="218242860"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218242860" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218242860">(Nov 30 2020 at 02:29)</a>:</h4>
<p>if you're feeling really ambitious you can add a new error code</p>



<a name="218243102"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243102" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243102">(Nov 30 2020 at 02:35)</a>:</h4>
<p>That would be an interesting time, and I'd probably want to do that in the rustc side I imagine. Make it a rule that 'const_stable' must be 'stable'.</p>



<a name="218243151"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243151" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243151">(Nov 30 2020 at 02:36)</a>:</h4>
<p>if you want to do that in a follow-up, I'm 100% ok with that</p>



<a name="218243152"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243152" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243152">(Nov 30 2020 at 02:36)</a>:</h4>
<p>since I don't think it's enforced currently</p>



<a name="218243233"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243233" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> CraftSpider <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243233">(Nov 30 2020 at 02:38)</a>:</h4>
<p>Yeah, I think a follow-up would be good. I'll add a comment to the pull mentioning it, and write up an issue if one isn't already out there. Unrelated: Wish Intellij-Rust obeyed <code>#![feature(rustc_private)]</code>, the alternative I've found is repeatedly adding them all to cargo, then commenting it out before running tests so it doesn't rebuild them as deps</p>



<a name="218243234"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243234" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243234">(Nov 30 2020 at 02:38)</a>:</h4>
<p>actually, yeah, let's do that</p>



<a name="218243240"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218243240" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218243240">(Nov 30 2020 at 02:38)</a>:</h4>
<p>if it helps, rust-analyzer works well with rustc_private IME</p>



<a name="218269008"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218269008" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218269008">(Nov 30 2020 at 10:22)</a>:</h4>
<p><span class="user-mention silent" data-user-id="232545">Joshua Nelson</span> <a href="#narrow/stream/266220-rustdoc/topic/Issue.2076998/near/218239409">said</a>:</p>
<blockquote>
<p>cc <span class="user-mention silent" data-user-id="120791">RalfJ</span> - does that match your expectations?</p>
</blockquote>
<p>I don't have any expectations^^ happy to leave UI design up to you here</p>



<a name="218280350"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218280350" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218280350">(Nov 30 2020 at 12:30)</a>:</h4>
<p>Well, it certainly seems good enough for a first draft, if people complain it's easy to change. I think I like it as-is, though.</p>



<a name="218593876"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218593876" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218593876">(Dec 02 2020 at 17:51)</a>:</h4>
<p>looks pretty good :)<br>
<a href="/user_uploads/4715/MEtdWq71PgIK4VeX-1pZI_MM/image.png">image.png</a></p>
<div class="message_inline_image"><a href="/user_uploads/4715/MEtdWq71PgIK4VeX-1pZI_MM/image.png" title="image.png"><img src="/user_uploads/4715/MEtdWq71PgIK4VeX-1pZI_MM/image.png"></a></div>



<a name="218593976"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/266220-rustdoc/topic/Showing%20the%20version%20a%20function%20was%20stabilized%20as%20%60const%60/near/218593976" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> apiraino <a href="https://rust-lang.github.io/zulip_archive/stream/266220-rustdoc/topic/Showing.20the.20version.20a.20function.20was.20stabilized.20as.20.60const.60.html#218593976">(Dec 02 2020 at 17:52)</a>:</h4>
<p>definitively nice :)</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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